Two manufacturers of plastic venting systems are pushing for a national fuel gas code in the United States that requires Underwriters Laboratories Inc. certification for use in some natural gas-fired ...

Residential gas-fired equipment is changing and so are the related codes. As efficiencies and energy factors creep up — whether organically or because of regulation — the installation processes and ...

The design of gas vent pipes and connectors for furnaces, water heaters, boilers, and other fossil-fuel appliances is a serious matter. Carbon monoxide poisoning, collapsing chimneys, fire hazards, ...